    // util
  export function  getSourceType(classify){
      let info = {
      }
      switch (classify) {
        case 1:
          info.content = '视频'
          info.icon  = 'video-camera'
          break;
          case 2:
          info.content = '文档'
          info.icon  = 'file-pdf'
          break;
          case 3:
          info.content = '图文'
          info.icon  = 'profile'
          break;
        default:
          info.content = '试卷'
          info.icon  = 'read'
          break;
      }
      return info
    }